core/homeassistant/components/recorder/queries.py

966 lines
30 KiB
Python

"""Queries for the recorder."""
from __future__ import annotations
from collections.abc import Iterable
from datetime import datetime
from sqlalchemy import delete, distinct, func, lambda_stmt, select, union_all, update
from sqlalchemy.sql.lambdas import StatementLambdaElement
from sqlalchemy.sql.selectable import Select
from .db_schema import (
EventData,
Events,
EventTypes,
MigrationChanges,
RecorderRuns,
StateAttributes,
States,
StatesMeta,
Statistics,
StatisticsRuns,
StatisticsShortTerm,
)
def select_event_type_ids(event_types: tuple[str, ...]) -> Select:
"""Generate a select for event type ids.
This query is intentionally not a lambda statement as it is used inside
other lambda statements.
"""
return select(EventTypes.event_type_id).where(
EventTypes.event_type.in_(event_types)
)
def get_shared_attributes(hashes: list[int]) -> StatementLambdaElement:
"""Load shared attributes from the database."""
return lambda_stmt(
lambda: select(
StateAttributes.attributes_id, StateAttributes.shared_attrs
).where(StateAttributes.hash.in_(hashes))
)
def get_shared_event_datas(hashes: list[int]) -> StatementLambdaElement:
"""Load shared event data from the database."""
return lambda_stmt(
lambda: select(EventData.data_id, EventData.shared_data).where(
EventData.hash.in_(hashes)
)
)
def find_event_type_ids(event_types: Iterable[str]) -> StatementLambdaElement:
"""Find an event_type id by event_type."""
return lambda_stmt(
lambda: select(EventTypes.event_type_id, EventTypes.event_type).filter(
EventTypes.event_type.in_(event_types)
)
)
def find_all_states_metadata_ids() -> StatementLambdaElement:
"""Find all metadata_ids and entity_ids."""
return lambda_stmt(lambda: select(StatesMeta.metadata_id, StatesMeta.entity_id))
def find_states_metadata_ids(entity_ids: Iterable[str]) -> StatementLambdaElement:
"""Find metadata_ids by entity_ids."""
return lambda_stmt(
lambda: select(StatesMeta.metadata_id, StatesMeta.entity_id).filter(
StatesMeta.entity_id.in_(entity_ids)
)
)
def _state_attrs_exist(attr: int | None) -> Select:
"""Check if a state attributes id exists in the states table."""
return select(func.min(States.attributes_id)).where(States.attributes_id == attr)
def attributes_ids_exist_in_states_with_fast_in_distinct(
attributes_ids: Iterable[int],
) -> StatementLambdaElement:
"""Find attributes ids that exist in the states table."""
return lambda_stmt(
lambda: select(distinct(States.attributes_id)).filter(
States.attributes_id.in_(attributes_ids)
)
)
def attributes_ids_exist_in_states(
attr1: int,
attr2: int | None,
attr3: int | None,
attr4: int | None,
attr5: int | None,
attr6: int | None,
attr7: int | None,
attr8: int | None,
attr9: int | None,
attr10: int | None,
attr11: int | None,
attr12: int | None,
attr13: int | None,
attr14: int | None,
attr15: int | None,
attr16: int | None,
attr17: int | None,
attr18: int | None,
attr19: int | None,
attr20: int | None,
attr21: int | None,
attr22: int | None,
attr23: int | None,
attr24: int | None,
attr25: int | None,
attr26: int | None,
attr27: int | None,
attr28: int | None,
attr29: int | None,
attr30: int | None,
attr31: int | None,
attr32: int | None,
attr33: int | None,
attr34: int | None,
attr35: int | None,
attr36: int | None,
attr37: int | None,
attr38: int | None,
attr39: int | None,
attr40: int | None,
attr41: int | None,
attr42: int | None,
attr43: int | None,
attr44: int | None,
attr45: int | None,
attr46: int | None,
attr47: int | None,
attr48: int | None,
attr49: int | None,
attr50: int | None,
attr51: int | None,
attr52: int | None,
attr53: int | None,
attr54: int | None,
attr55: int | None,
attr56: int | None,
attr57: int | None,
attr58: int | None,
attr59: int | None,
attr60: int | None,
attr61: int | None,
attr62: int | None,
attr63: int | None,
attr64: int | None,
attr65: int | None,
attr66: int | None,
attr67: int | None,
attr68: int | None,
attr69: int | None,
attr70: int | None,
attr71: int | None,
attr72: int | None,
attr73: int | None,
attr74: int | None,
attr75: int | None,
attr76: int | None,
attr77: int | None,
attr78: int | None,
attr79: int | None,
attr80: int | None,
attr81: int | None,
attr82: int | None,
attr83: int | None,
attr84: int | None,
attr85: int | None,
attr86: int | None,
attr87: int | None,
attr88: int | None,
attr89: int | None,
attr90: int | None,
attr91: int | None,
attr92: int | None,
attr93: int | None,
attr94: int | None,
attr95: int | None,
attr96: int | None,
attr97: int | None,
attr98: int | None,
attr99: int | None,
attr100: int | None,
) -> StatementLambdaElement:
"""Generate the find attributes select only once.
https://docs.sqlalchemy.org/en/14/core/connections.html#quick-guidelines-for-lambdas
"""
return lambda_stmt(
lambda: union_all(
_state_attrs_exist(attr1),
_state_attrs_exist(attr2),
_state_attrs_exist(attr3),
_state_attrs_exist(attr4),
_state_attrs_exist(attr5),
_state_attrs_exist(attr6),
_state_attrs_exist(attr7),
_state_attrs_exist(attr8),
_state_attrs_exist(attr9),
_state_attrs_exist(attr10),
_state_attrs_exist(attr11),
_state_attrs_exist(attr12),
_state_attrs_exist(attr13),
_state_attrs_exist(attr14),
_state_attrs_exist(attr15),
_state_attrs_exist(attr16),
_state_attrs_exist(attr17),
_state_attrs_exist(attr18),
_state_attrs_exist(attr19),
_state_attrs_exist(attr20),
_state_attrs_exist(attr21),
_state_attrs_exist(attr22),
_state_attrs_exist(attr23),
_state_attrs_exist(attr24),
_state_attrs_exist(attr25),
_state_attrs_exist(attr26),
_state_attrs_exist(attr27),
_state_attrs_exist(attr28),
_state_attrs_exist(attr29),
_state_attrs_exist(attr30),
_state_attrs_exist(attr31),
_state_attrs_exist(attr32),
_state_attrs_exist(attr33),
_state_attrs_exist(attr34),
_state_attrs_exist(attr35),
_state_attrs_exist(attr36),
_state_attrs_exist(attr37),
_state_attrs_exist(attr38),
_state_attrs_exist(attr39),
_state_attrs_exist(attr40),
_state_attrs_exist(attr41),
_state_attrs_exist(attr42),
_state_attrs_exist(attr43),
_state_attrs_exist(attr44),
_state_attrs_exist(attr45),
_state_attrs_exist(attr46),
_state_attrs_exist(attr47),
_state_attrs_exist(attr48),
_state_attrs_exist(attr49),
_state_attrs_exist(attr50),
_state_attrs_exist(attr51),
_state_attrs_exist(attr52),
_state_attrs_exist(attr53),
_state_attrs_exist(attr54),
_state_attrs_exist(attr55),
_state_attrs_exist(attr56),
_state_attrs_exist(attr57),
_state_attrs_exist(attr58),
_state_attrs_exist(attr59),
_state_attrs_exist(attr60),
_state_attrs_exist(attr61),
_state_attrs_exist(attr62),
_state_attrs_exist(attr63),
_state_attrs_exist(attr64),
_state_attrs_exist(attr65),
_state_attrs_exist(attr66),
_state_attrs_exist(attr67),
_state_attrs_exist(attr68),
_state_attrs_exist(attr69),
_state_attrs_exist(attr70),
_state_attrs_exist(attr71),
_state_attrs_exist(attr72),
_state_attrs_exist(attr73),
_state_attrs_exist(attr74),
_state_attrs_exist(attr75),
_state_attrs_exist(attr76),
_state_attrs_exist(attr77),
_state_attrs_exist(attr78),
_state_attrs_exist(attr79),
_state_attrs_exist(attr80),
_state_attrs_exist(attr81),
_state_attrs_exist(attr82),
_state_attrs_exist(attr83),
_state_attrs_exist(attr84),
_state_attrs_exist(attr85),
_state_attrs_exist(attr86),
_state_attrs_exist(attr87),
_state_attrs_exist(attr88),
_state_attrs_exist(attr89),
_state_attrs_exist(attr90),
_state_attrs_exist(attr91),
_state_attrs_exist(attr92),
_state_attrs_exist(attr93),
_state_attrs_exist(attr94),
_state_attrs_exist(attr95),
_state_attrs_exist(attr96),
_state_attrs_exist(attr97),
_state_attrs_exist(attr98),
_state_attrs_exist(attr99),
_state_attrs_exist(attr100),
)
)
def data_ids_exist_in_events_with_fast_in_distinct(
data_ids: Iterable[int],
) -> StatementLambdaElement:
"""Find data ids that exist in the events table."""
return lambda_stmt(
lambda: select(distinct(Events.data_id)).filter(Events.data_id.in_(data_ids))
)
def _event_data_id_exist(data_id: int | None) -> Select:
"""Check if a event data id exists in the events table."""
return select(func.min(Events.data_id)).where(Events.data_id == data_id)
def data_ids_exist_in_events(
id1: int,
id2: int | None,
id3: int | None,
id4: int | None,
id5: int | None,
id6: int | None,
id7: int | None,
id8: int | None,
id9: int | None,
id10: int | None,
id11: int | None,
id12: int | None,
id13: int | None,
id14: int | None,
id15: int | None,
id16: int | None,
id17: int | None,
id18: int | None,
id19: int | None,
id20: int | None,
id21: int | None,
id22: int | None,
id23: int | None,
id24: int | None,
id25: int | None,
id26: int | None,
id27: int | None,
id28: int | None,
id29: int | None,
id30: int | None,
id31: int | None,
id32: int | None,
id33: int | None,
id34: int | None,
id35: int | None,
id36: int | None,
id37: int | None,
id38: int | None,
id39: int | None,
id40: int | None,
id41: int | None,
id42: int | None,
id43: int | None,
id44: int | None,
id45: int | None,
id46: int | None,
id47: int | None,
id48: int | None,
id49: int | None,
id50: int | None,
id51: int | None,
id52: int | None,
id53: int | None,
id54: int | None,
id55: int | None,
id56: int | None,
id57: int | None,
id58: int | None,
id59: int | None,
id60: int | None,
id61: int | None,
id62: int | None,
id63: int | None,
id64: int | None,
id65: int | None,
id66: int | None,
id67: int | None,
id68: int | None,
id69: int | None,
id70: int | None,
id71: int | None,
id72: int | None,
id73: int | None,
id74: int | None,
id75: int | None,
id76: int | None,
id77: int | None,
id78: int | None,
id79: int | None,
id80: int | None,
id81: int | None,
id82: int | None,
id83: int | None,
id84: int | None,
id85: int | None,
id86: int | None,
id87: int | None,
id88: int | None,
id89: int | None,
id90: int | None,
id91: int | None,
id92: int | None,
id93: int | None,
id94: int | None,
id95: int | None,
id96: int | None,
id97: int | None,
id98: int | None,
id99: int | None,
id100: int | None,
) -> StatementLambdaElement:
"""Generate the find event data select only once.
https://docs.sqlalchemy.org/en/14/core/connections.html#quick-guidelines-for-lambdas
"""
return lambda_stmt(
lambda: union_all(
_event_data_id_exist(id1),
_event_data_id_exist(id2),
_event_data_id_exist(id3),
_event_data_id_exist(id4),
_event_data_id_exist(id5),
_event_data_id_exist(id6),
_event_data_id_exist(id7),
_event_data_id_exist(id8),
_event_data_id_exist(id9),
_event_data_id_exist(id10),
_event_data_id_exist(id11),
_event_data_id_exist(id12),
_event_data_id_exist(id13),
_event_data_id_exist(id14),
_event_data_id_exist(id15),
_event_data_id_exist(id16),
_event_data_id_exist(id17),
_event_data_id_exist(id18),
_event_data_id_exist(id19),
_event_data_id_exist(id20),
_event_data_id_exist(id21),
_event_data_id_exist(id22),
_event_data_id_exist(id23),
_event_data_id_exist(id24),
_event_data_id_exist(id25),
_event_data_id_exist(id26),
_event_data_id_exist(id27),
_event_data_id_exist(id28),
_event_data_id_exist(id29),
_event_data_id_exist(id30),
_event_data_id_exist(id31),
_event_data_id_exist(id32),
_event_data_id_exist(id33),
_event_data_id_exist(id34),
_event_data_id_exist(id35),
_event_data_id_exist(id36),
_event_data_id_exist(id37),
_event_data_id_exist(id38),
_event_data_id_exist(id39),
_event_data_id_exist(id40),
_event_data_id_exist(id41),
_event_data_id_exist(id42),
_event_data_id_exist(id43),
_event_data_id_exist(id44),
_event_data_id_exist(id45),
_event_data_id_exist(id46),
_event_data_id_exist(id47),
_event_data_id_exist(id48),
_event_data_id_exist(id49),
_event_data_id_exist(id50),
_event_data_id_exist(id51),
_event_data_id_exist(id52),
_event_data_id_exist(id53),
_event_data_id_exist(id54),
_event_data_id_exist(id55),
_event_data_id_exist(id56),
_event_data_id_exist(id57),
_event_data_id_exist(id58),
_event_data_id_exist(id59),
_event_data_id_exist(id60),
_event_data_id_exist(id61),
_event_data_id_exist(id62),
_event_data_id_exist(id63),
_event_data_id_exist(id64),
_event_data_id_exist(id65),
_event_data_id_exist(id66),
_event_data_id_exist(id67),
_event_data_id_exist(id68),
_event_data_id_exist(id69),
_event_data_id_exist(id70),
_event_data_id_exist(id71),
_event_data_id_exist(id72),
_event_data_id_exist(id73),
_event_data_id_exist(id74),
_event_data_id_exist(id75),
_event_data_id_exist(id76),
_event_data_id_exist(id77),
_event_data_id_exist(id78),
_event_data_id_exist(id79),
_event_data_id_exist(id80),
_event_data_id_exist(id81),
_event_data_id_exist(id82),
_event_data_id_exist(id83),
_event_data_id_exist(id84),
_event_data_id_exist(id85),
_event_data_id_exist(id86),
_event_data_id_exist(id87),
_event_data_id_exist(id88),
_event_data_id_exist(id89),
_event_data_id_exist(id90),
_event_data_id_exist(id91),
_event_data_id_exist(id92),
_event_data_id_exist(id93),
_event_data_id_exist(id94),
_event_data_id_exist(id95),
_event_data_id_exist(id96),
_event_data_id_exist(id97),
_event_data_id_exist(id98),
_event_data_id_exist(id99),
_event_data_id_exist(id100),
)
)
def disconnect_states_rows(state_ids: Iterable[int]) -> StatementLambdaElement:
"""Disconnect states rows."""
return lambda_stmt(
lambda: update(States)
.where(States.old_state_id.in_(state_ids))
.values(old_state_id=None)
.execution_options(synchronize_session=False)
)
def delete_states_rows(state_ids: Iterable[int]) -> StatementLambdaElement:
"""Delete states rows."""
return lambda_stmt(
lambda: delete(States)
.where(States.state_id.in_(state_ids))
.execution_options(synchronize_session=False)
)
def delete_event_data_rows(data_ids: Iterable[int]) -> StatementLambdaElement:
"""Delete event_data rows."""
return lambda_stmt(
lambda: delete(EventData)
.where(EventData.data_id.in_(data_ids))
.execution_options(synchronize_session=False)
)
def delete_states_attributes_rows(
attributes_ids: Iterable[int],
) -> StatementLambdaElement:
"""Delete states_attributes rows."""
return lambda_stmt(
lambda: delete(StateAttributes)
.where(StateAttributes.attributes_id.in_(attributes_ids))
.execution_options(synchronize_session=False)
)
def delete_statistics_runs_rows(
statistics_runs: Iterable[int],
) -> StatementLambdaElement:
"""Delete statistics_runs rows."""
return lambda_stmt(
lambda: delete(StatisticsRuns)
.where(StatisticsRuns.run_id.in_(statistics_runs))
.execution_options(synchronize_session=False)
)
def delete_statistics_short_term_rows(
short_term_statistics: Iterable[int],
) -> StatementLambdaElement:
"""Delete statistics_short_term rows."""
return lambda_stmt(
lambda: delete(StatisticsShortTerm)
.where(StatisticsShortTerm.id.in_(short_term_statistics))
.execution_options(synchronize_session=False)
)
def delete_event_rows(
event_ids: Iterable[int],
) -> StatementLambdaElement:
"""Delete event rows."""
return lambda_stmt(
lambda: delete(Events)
.where(Events.event_id.in_(event_ids))
.execution_options(synchronize_session=False)
)
def delete_recorder_runs_rows(
purge_before: datetime, current_run_id: int
) -> StatementLambdaElement:
"""Delete recorder_runs rows."""
return lambda_stmt(
lambda: delete(RecorderRuns)
.filter(RecorderRuns.start < purge_before)
.filter(RecorderRuns.run_id != current_run_id)
.execution_options(synchronize_session=False)
)
def find_events_to_purge(
purge_before: float, max_bind_vars: int
) -> StatementLambdaElement:
"""Find events to purge."""
return lambda_stmt(
lambda: select(Events.event_id, Events.data_id)
.filter(Events.time_fired_ts < purge_before)
.limit(max_bind_vars)
)
def find_states_to_purge(
purge_before: float, max_bind_vars: int
) -> StatementLambdaElement:
"""Find states to purge."""
return lambda_stmt(
lambda: select(States.state_id, States.attributes_id)
.filter(States.last_updated_ts < purge_before)
.limit(max_bind_vars)
)
def find_short_term_statistics_to_purge(
purge_before: datetime, max_bind_vars: int
) -> StatementLambdaElement:
"""Find short term statistics to purge."""
purge_before_ts = purge_before.timestamp()
return lambda_stmt(
lambda: select(StatisticsShortTerm.id)
.filter(StatisticsShortTerm.start_ts < purge_before_ts)
.limit(max_bind_vars)
)
def find_statistics_runs_to_purge(
purge_before: datetime, max_bind_vars: int
) -> StatementLambdaElement:
"""Find statistics_runs to purge."""
return lambda_stmt(
lambda: select(StatisticsRuns.run_id)
.filter(StatisticsRuns.start < purge_before)
.limit(max_bind_vars)
)
def find_latest_statistics_runs_run_id() -> StatementLambdaElement:
"""Find the latest statistics_runs run_id."""
return lambda_stmt(lambda: select(func.max(StatisticsRuns.run_id)))
def find_legacy_event_state_and_attributes_and_data_ids_to_purge(
purge_before: float, max_bind_vars: int
) -> StatementLambdaElement:
"""Find the latest row in the legacy format to purge."""
return lambda_stmt(
lambda: select(
Events.event_id, Events.data_id, States.state_id, States.attributes_id
)
.outerjoin(States, Events.event_id == States.event_id)
.filter(Events.time_fired_ts < purge_before)
.limit(max_bind_vars)
)
def find_legacy_detached_states_and_attributes_to_purge(
purge_before: float, max_bind_vars: int
) -> StatementLambdaElement:
"""Find states rows with event_id set but not linked event_id in Events."""
return lambda_stmt(
lambda: select(States.state_id, States.attributes_id)
.outerjoin(Events, States.event_id == Events.event_id)
.filter(States.event_id.isnot(None))
.filter(
(States.last_updated_ts < purge_before) | States.last_updated_ts.is_(None)
)
.filter(Events.event_id.is_(None))
.limit(max_bind_vars)
)
def find_legacy_row() -> StatementLambdaElement:
"""Check if there are still states in the table with an event_id."""
return lambda_stmt(lambda: select(func.max(States.event_id)))
def find_events_context_ids_to_migrate(max_bind_vars: int) -> StatementLambdaElement:
"""Find events context_ids to migrate."""
return lambda_stmt(
lambda: select(
Events.event_id,
Events.time_fired_ts,
Events.context_id,
Events.context_user_id,
Events.context_parent_id,
)
.filter(Events.context_id_bin.is_(None))
.limit(max_bind_vars)
)
def find_event_type_to_migrate(max_bind_vars: int) -> StatementLambdaElement:
"""Find events event_type to migrate."""
return lambda_stmt(
lambda: select(
Events.event_id,
Events.event_type,
)
.filter(Events.event_type_id.is_(None))
.limit(max_bind_vars)
)
def find_entity_ids_to_migrate(max_bind_vars: int) -> StatementLambdaElement:
"""Find entity_id to migrate."""
return lambda_stmt(
lambda: select(
States.state_id,
States.entity_id,
)
.filter(States.metadata_id.is_(None))
.limit(max_bind_vars)
)
def batch_cleanup_entity_ids() -> StatementLambdaElement:
"""Find entity_id to cleanup."""
# Self join because This version of MariaDB doesn't yet support 'LIMIT & IN/ALL/ANY/SOME subquery'
return lambda_stmt(
lambda: update(States)
.where(
States.state_id.in_(
select(States.state_id)
.join(
states_with_entity_ids := select(
States.state_id.label("state_id_with_entity_id")
)
.filter(States.entity_id.is_not(None))
.limit(5000)
.subquery(),
States.state_id == states_with_entity_ids.c.state_id_with_entity_id,
)
.alias("states_with_entity_ids")
.select()
)
)
.values(entity_id=None)
)
def has_used_states_event_ids() -> StatementLambdaElement:
"""Check if there are used event_ids in the states table."""
return lambda_stmt(
lambda: select(States.state_id).filter(States.event_id.isnot(None)).limit(1)
)
def has_events_context_ids_to_migrate() -> StatementLambdaElement:
"""Check if there are events context ids to migrate."""
return lambda_stmt(
lambda: select(Events.event_id).filter(Events.context_id_bin.is_(None)).limit(1)
)
def has_states_context_ids_to_migrate() -> StatementLambdaElement:
"""Check if there are states context ids to migrate."""
return lambda_stmt(
lambda: select(States.state_id).filter(States.context_id_bin.is_(None)).limit(1)
)
def has_event_type_to_migrate() -> StatementLambdaElement:
"""Check if there are event_types to migrate."""
return lambda_stmt(
lambda: select(Events.event_id).filter(Events.event_type_id.is_(None)).limit(1)
)
def has_entity_ids_to_migrate() -> StatementLambdaElement:
"""Check if there are entity_id to migrate."""
return lambda_stmt(
lambda: select(States.state_id).filter(States.metadata_id.is_(None)).limit(1)
)
def find_states_context_ids_to_migrate(max_bind_vars: int) -> StatementLambdaElement:
"""Find events context_ids to migrate."""
return lambda_stmt(
lambda: select(
States.state_id,
States.last_updated_ts,
States.context_id,
States.context_user_id,
States.context_parent_id,
)
.filter(States.context_id_bin.is_(None))
.limit(max_bind_vars)
)
def get_migration_changes() -> StatementLambdaElement:
"""Query the database for previous migration changes."""
return lambda_stmt(
lambda: select(MigrationChanges.migration_id, MigrationChanges.version)
)
def find_event_types_to_purge() -> StatementLambdaElement:
"""Find event_type_ids to purge."""
return lambda_stmt(
lambda: select(EventTypes.event_type_id, EventTypes.event_type).where(
EventTypes.event_type_id.not_in(
select(EventTypes.event_type_id).join(
used_event_type_ids := select(
distinct(Events.event_type_id).label("used_event_type_id")
).subquery(),
EventTypes.event_type_id
== used_event_type_ids.c.used_event_type_id,
)
)
)
)
def find_entity_ids_to_purge() -> StatementLambdaElement:
"""Find entity_ids to purge."""
return lambda_stmt(
lambda: select(StatesMeta.metadata_id, StatesMeta.entity_id).where(
StatesMeta.metadata_id.not_in(
select(StatesMeta.metadata_id).join(
used_states_metadata_id := select(
distinct(States.metadata_id).label("used_states_metadata_id")
).subquery(),
StatesMeta.metadata_id
== used_states_metadata_id.c.used_states_metadata_id,
)
)
)
)
def delete_event_types_rows(event_type_ids: Iterable[int]) -> StatementLambdaElement:
"""Delete EventTypes rows."""
return lambda_stmt(
lambda: delete(EventTypes)
.where(EventTypes.event_type_id.in_(event_type_ids))
.execution_options(synchronize_session=False)
)
def delete_states_meta_rows(metadata_ids: Iterable[int]) -> StatementLambdaElement:
"""Delete StatesMeta rows."""
return lambda_stmt(
lambda: delete(StatesMeta)
.where(StatesMeta.metadata_id.in_(metadata_ids))
.execution_options(synchronize_session=False)
)
def find_unmigrated_short_term_statistics_rows(
max_bind_vars: int,
) -> StatementLambdaElement:
"""Find unmigrated short term statistics rows."""
return lambda_stmt(
lambda: select(
StatisticsShortTerm.id,
StatisticsShortTerm.start,
StatisticsShortTerm.created,
StatisticsShortTerm.last_reset,
)
.filter(StatisticsShortTerm.start_ts.is_(None))
.filter(StatisticsShortTerm.start.isnot(None))
.limit(max_bind_vars)
)
def find_unmigrated_statistics_rows(max_bind_vars: int) -> StatementLambdaElement:
"""Find unmigrated statistics rows."""
return lambda_stmt(
lambda: select(
Statistics.id, Statistics.start, Statistics.created, Statistics.last_reset
)
.filter(Statistics.start_ts.is_(None))
.filter(Statistics.start.isnot(None))
.limit(max_bind_vars)
)
def migrate_single_short_term_statistics_row_to_timestamp(
statistic_id: int,
start_ts: float | None,
created_ts: float | None,
last_reset_ts: float | None,
) -> StatementLambdaElement:
"""Migrate a single short term statistics row to timestamp."""
return lambda_stmt(
lambda: update(StatisticsShortTerm)
.where(StatisticsShortTerm.id == statistic_id)
.values(
start_ts=start_ts,
start=None,
created_ts=created_ts,
created=None,
last_reset_ts=last_reset_ts,
last_reset=None,
)
.execution_options(synchronize_session=False)
)
def migrate_single_statistics_row_to_timestamp(
statistic_id: int,
start_ts: float | None,
created_ts: float | None,
last_reset_ts: float | None,
) -> StatementLambdaElement:
"""Migrate a single statistics row to timestamp."""
return lambda_stmt(
lambda: update(Statistics)
.where(Statistics.id == statistic_id)
.values(
start_ts=start_ts,
start=None,
created_ts=created_ts,
created=None,
last_reset_ts=last_reset_ts,
last_reset=None,
)
.execution_options(synchronize_session=False)
)
def delete_duplicate_short_term_statistics_row(
statistic_id: int,
) -> StatementLambdaElement:
"""Delete a single duplicate short term statistics row."""
return lambda_stmt(
lambda: delete(StatisticsShortTerm)
.where(StatisticsShortTerm.id == statistic_id)
.execution_options(synchronize_session=False)
)
def delete_duplicate_statistics_row(statistic_id: int) -> StatementLambdaElement:
"""Delete a single duplicate statistics row."""
return lambda_stmt(
lambda: delete(Statistics)
.where(Statistics.id == statistic_id)
.execution_options(synchronize_session=False)
)